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Cisco Nexus 93120TX, Installation Manual

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Cisco Nexus 93120TX Installation Manual Download Page 46

If you must replace the fan module during operations and both of the above conditions are not met, leave the
fan module that you need to replace in the chassis to preserve the designed airflow until you have the required
module.

Step 1

Verify that the fan module that you are leaving in the chassis is operating and has a lit Status (STS) LED (see the following
figure).

Figure 11: Installation Features on the Fan Module

Colored stripe specifying the airflow direction
(burgundy for the port-side intake airflow or blue for
the port-side exhaust airflow)

4

Captive screw

1

Electrical connectors on the backside

5

Status (STS) LED

2

Handle

3

   Cisco Nexus 93120TX NX-OS Mode Switch Hardware Installation Guide

36

Replacing Modules

Replacing a Fan Module During Operations

Summary of Contents for Nexus 93120TX

Page 1: ...dware Installation Guide First Published May 17 2015 Last Modified October 27 2015 Americas Headquarters Cisco Systems Inc 170 West Tasman Drive San Jose CA 95134 1706 USA http www cisco com Tel 408 526 4000 800 553 NETS 6387 Fax 408 527 0883 ...

Page 2: ...e encouraged to try to correct the interference by using one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Modifications to this product no...

Page 3: ...Humidity Requirements 5 Altitude Requirements 6 Dust and Particulate Requirements 6 Minimizing Electromagnetic and Radio Frequency Interference 6 Shock and Vibration Requirements 7 Grounding Requirements 7 Planning for Power Requirements 7 Airflow Requirements 8 Rack and Cabinet Requirements 9 Clearance Requirements 10 C H A P T E R 3 Installing the Chassis 13 Install a Rack 13 Unpacking and Inspe...

Page 4: ...nnecting Ports 32 Maintaining Transceivers and Optical Cables 33 C H A P T E R 5 Replacing Modules 35 Replacing a Fan Module During Operations 35 Replacing a Power Supply Module 38 Removing an AC Power Supply 39 Removing a DC Power Supply 40 Installing an AC Power Supply 40 Installing a DC Power Supply 41 Wiring a 48 V DC Electrical Connector Block 42 A P P E N D I X A Rack Specifications 45 Overv...

Page 5: ...d Specifications 48 A P P E N D I X C LEDs 51 Switch Chassis LEDs 51 Fan Module LEDs 52 Power Supply LEDs 52 A P P E N D I X D Site Preparation and Maintenance Records 55 Site Preparation Checklist 55 Contact and Site Information 57 Chassis and Module Information 57 Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide v Contents ...

Page 6: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide vi Contents ...

Page 7: ...entions Command descriptions use the following conventions Description Convention Bold text indicates the commands and keywords that you enter literally as shown bold Italic text indicates arguments for which the user supplies the values Italic Square brackets enclose an optional element keyword or argument x Square brackets enclosing keywords or arguments separated by a vertical bar indicate an o...

Page 8: ...n italic screen font italic screen font Nonprinting characters such as passwords are in angle brackets Default responses to system prompts are in square brackets An exclamation point or a pound sign at the beginning of a line of code indicates a comment line Related Documentation for Cisco Nexus 9000 Series NX OS Software The entire Cisco NX OS 9000 Series documentation set is available at the fol...

Page 9: ... 7000 Series and 9000 Series NX OS MIB Quick Reference Cisco Nexus 9000 Series NX OS Programmability Guide Cisco Nexus 9000 Series NX OS Software Upgrade and Downgrade Guide Cisco Nexus 9000 Series NX OS System Messages Reference Cisco Nexus 9000 Series NX OS Troubleshooting Guide Cisco NX OS Licensing Guide Cisco NX OS XML Interface User Guide Hardware Documents Cisco Nexus 3000 Series Hardware I...

Page 10: ...and Submitting a Service Request For information on obtaining documentation using the Cisco Bug Search Tool BST submitting a service request and gathering additional information see What s New in Cisco Product Documentation at http www cisco com c en us td docs general whatsnew whatsnew html Subscribe to What s New in Cisco Product Documentation which lists all new and revised Cisco technical docu...

Page 11: ...lowing choices 1200 W HVAC HVDC dual directional airflow power supply with white coloring N9K PUV 1200W 1200W port side exhaust AC power supply with blue coloring N9K PAC 1200W B 1200W port side intake AC power supply with burgundy coloring N9K PAC 1200W 930W port side intake DC power supply with green coloring UCSC PSU 930WDC 930W port side exhaust DC power supply with gray coloring UCS PSU 6332 ...

Page 12: ...one bracket for each of two sides 8 Out of band management port RJ 45 port 3 Notch in both sides of the chassis for locking the power supply end of the chassis to the bottom support rails 9 Console port RS232 port 4 Two USB ports used for saving or copying functions USB support is limited to USB 2 0 devices that use less than 2 5 W less than 0 5 A inclusive of surge current Devices such as externa...

Page 13: ...ing on whether you plan to position the ports in a cold or hot aisle you can order the fan and power supply modules with port side intake or port side exhaust airflow For port side intake airflow the fan and AC power supply modules have burgundy coloring DC power supply modules have green coloring For port side exhaust airflow the fan and AC power supplies have blue coloring DC power supply module...

Page 14: ...he other modules in the switch Note If the switch has port side intake airflow burgundy coloring for fan modules you must locate the ports in the cold aisle If the switch has port side exhaust airflow blue coloring for fan modules you must locate the ports in the hot aisle If you locate the air intake in a hot aisle the switch can overheat and shut down Caution Cisco Nexus 93120TX NX OS Mode Switc...

Page 15: ...ents High humidity can cause moisture to enter the switch Moisture can cause corrosion of internal components and degradation of properties such as electrical resistance thermal conductivity physical strength and size The switch is rated to operate at 8 to 80 percent relative humidity with a humidity gradation of 10 percent per hour For nonoperating conditions the switch can withstand from 5 to 95...

Page 16: ...from the switch can adversely affect other devices such as radio and television TV receivers operating near the switch Radio frequencies that emanate from the switch can also interfere with cordless and low power telephones Conversely RFI from high power telephones can cause spurious characters to appear on the switch monitor RFI is defined as any EMI with a frequency above 10 kHz This type of int...

Page 17: ...transients or spikes can erase data from the memory or cause components to fail To protect against these types of problems ensure that there is an earth ground connection for the switch You can connect the grounding pad on the switch either directly to the earth ground connection or to a fully bonded and grounded rack You must provide the grounding cable to make this connection but you can connect...

Page 18: ...low Requirements The switch is designed to be positioned with its ports in either the front or the rear of the rack depending on your cabling and maintenance requirements Depending on which side of the switch faces the cold aisle you must have fan and power supply modules that move the coolant air from the cold aisle to the hot aisle in one of the following ways Port side exhaust airflow Coolant a...

Page 19: ... rack must be 24 to 32 inches 61 0 to 81 3 cm between the front and rear mounting brackets Required clearances between the chassis and the edges of its rack or the interior of its cabinet are as follows 4 5 inches 11 4 cm between the front of the chassis and the interior of the cabinet required for cabling 3 0 inches 7 6 cm between the rear of the chassis and the interior of the cabinet required f...

Page 20: ...e the following figure Figure 3 Clearances Required for a Four Post Rack Installation Depth of the chassis 5 Chassis 1 Maximum extension of the bottom support rails 6 Vertical rack mount posts and rails 2 Depth of the front clearance area this equals the depth of the chassis 7 Chassis width 3 Width of the front clearance area this equals the width of the chassis with two rack mount brackets attach...

Page 21: ...n Chassis width 3 Chassis 1 Service clearance required for replacing the chassis equals the length of the chassis 4 Vertical rack mount posts and rails 2 Both the front and rear of the chassis must be open to both aisles for airflow Note Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 11 Preparing the Site Clearance Requirements ...

Page 22: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 12 Preparing the Site Clearance Requirements ...

Page 23: ...lted to the floor before you slide the unit out for servicing Failure to stabilize the rack can cause the rack to tip over Warning Step 2 If the rack has bonded construction connect it to the earth ground This action enables you to easily ground the switch and its components and to ground your electrostatic discharge ESD wrist strap to prevent damaging discharges when you handle ungrounded compone...

Page 24: ...resentative and verify that you have received all of the ordered items The shipment should include the following Switch chassis which includes the following installed components One or two power supplies any combination of the following Port side intake airflow 1200 W AC power supply N9K PAC 1200W Port side exhaust airflow 1200 W AC power supply N9K PAC 1200W B Port side intake airflow 930 W DC po...

Page 25: ...ted devices or so that the fan and power supply modules are conveniently located in a maintenance aisle and then order the modules that move coolant air in the appropriate direction from the cold aisle to the hot aisle All fan and power supply modules in the same switch must operate with the same direction of airflow and the air intake portion of the switch must be located in a cold aisle Note Ins...

Page 26: ...hassis unless you specifically order them You must have the following tools and equipment Manual Phillips head torque screwdriver Center mount bracket kit Step 1 Align one of the two center mount brackets on the left or right side of the chassis and be sure that the angled portion is facing the front of the chassis see the following figure Be sure to align four of the screw holes on the larger sid...

Page 27: ... if they use DC power green coloring for port side intake Note Statement 1074 Comply with Local and National Electrical Codes Installation of the equipment must comply with local and national electrical codes Warning Statement 1032 Lifting the Chassis To prevent personal injury or damage to the chassis never attempt to lift or tilt the chassis using the handles on modules such as power supplies fa...

Page 28: ... of the rack with the fan and power supply modules in the appropriate aisle and the center mount bracket has its screw holes aligned to screw holes on the two post rack If these modules have a blue stripe for port side exhaust airflow then you must position the modules by the cold aisle If the modules have a burgundy or green stripe for port side exhaust airflow you must position the modules by th...

Page 29: ...hassis airflow you need to position the rail half with the chassis stop so that the fan and power supply modules end up in the appropriate aisle as follows Port side intake burgundy coloring for fan modules airflow requires that the bottom support rail with the chassis stop be located on the hot aisle side of the rack Port side exhaust blue coloring for fan modules airflow requires that the bottom...

Page 30: ...k units open above the bottom support rails so that you can easily install the chassis Step 3 Use two customer supplied screws typically M6 x 10 mm screws to attach the bottom support rail half to the vertical mounting rails on the rack post Tighten each screw to the appropriate torque setting for the screws for M6 x 10 mm screws use 40 in lbs 4 5 N m of torque Step 4 Slide the other half of the b...

Page 31: ...e chassis Figure 7 Aligning and Attaching Center Mount Brackets to the Sides of the Chassis Two M4 x 6 mm screws used to fasten the bracket to the chassis 2 Front mount bracket with two screw holes aligned to two screw holes in the chassis and one screw hole facing the front port side of the chassis 1 Step 2 Use two M4 x 6 mm screws to attach the bracket to the chassis Tighten each screw to 11 to ...

Page 32: ...he concrete subfloor Make sure that the bottom support rails are installed so that the fan modules will be in the appropriate aisle as follows Burgundy port side intake airflow fan modules are positioned in a hot aisle the chassis stop on the bottom support rails is positioned by the hot aisle Blue colored port side exhaust airflow fan modules are positioned in a cold aisle the chassis stop on the...

Page 33: ...bottom to the top with the heaviest component at the bottom of the rack If the rack is provided with stabilizing devices install the stabilizers before mounting or servicing the unit in the rack Step 1 Slide the power supply end of the chassis onto the bottom support rails that are installed on the rack Be sure that the sides of the chassis by the power supplies clips into the chassis stops on the...

Page 34: ...eceiving hole on each side of the chassis for the chassis stops on the bottom support rails 3 Slide the power supply end of the chassis onto the bottom support rails so that the chassis locks onto the chassis stops at the end of the rails 1 Customer supplied rack mount screw M6 x 10 mm screw or other screw appropriate for the rack used to secure each side of the chassis to the rack 4 Chassis stops...

Page 35: ...er source see Powering Up the Switch on page 27 DC power supplies are grounded when you connect the ground cable to the power source ground terminal while also connecting the positive and negative wires to their power source terminals see Powering Up the Switch on page 27 Statement 1024 Ground Conductor This equipment must be grounded Never defeat the ground conductor or operate the equipment in t...

Page 36: ...rews used to secure the grounding lug to the chassis 3 Chassis grounding pad 1 Grounding cable with 0 75 in 19 mm of insulation stripped from one end inserted into the grounding lug and crimped in place 2 Step 3 Secure the grounding lug to the chassis grounding pad with two M4 screws see Callouts 1 and 3 in the previous figure and tighten the screws to 11 to 15 in lb 1 24 to 1 69 N m of torque Ste...

Page 37: ...pply circuit so that wiring is not overloaded Warning Statement 1029 Blank Faceplates and Cover Panels Blank faceplates and cover panels serve three important functions they prevent exposure to hazardous voltages and currents inside the chassis they contain electromagnetic interference EMI that might disrupt other equipment and they direct the flow of cooling air through the chassis Do not operate...

Page 38: ...as shown in the following figure with the orange plastic button on top Figure 10 Wiring a 930W 48VDC Power Supply Connector Block 48V DC cable 4 Wire retainer lever 1 Grounding cable 8 AWG recommended 5 Orange plastic button on top of the connector 2 48V Return DC cable 3 5 Use a small screwdriver to depress the spring loaded wire retainer lever on the lower spring cage wire connector Insert your ...

Page 39: ... you require n n redundancy be sure that each power supply is powered by a different power source Note Step 2 If you are connecting only one power supply be sure that there is a blank faceplate in the open power supply slot Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 29 Installing the Chassis Powering Up the Switch ...

Page 40: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 30 Installing the Chassis Powering Up the Switch ...

Page 41: ...e Before You Begin The switch must be powered on Step 1 Connect a modular RJ 45 UTP cable to the MGMT ETH port on the switch Step 2 Connect the other end of the cable to a 10 100 1000 Ethernet port on a network device What to Do Next You are ready to connect the interface ports on each of the I O modules to the network Uplink Connections The switch has an uplink module with 12 or six 40 Gigabit op...

Page 42: ... products device support tables list html For the 10GBASE T cables you use RJ 45 connectors on cables that conform to the specifications in the following table Table 1 Supported 10GBASE T Cables Supported Length Cable Type 180 feet 55 m Category 6 328 feet 100 m Category 6a 328 feet 100 m Category 7 328 feet 100 m Category 7a Guidelines for Connecting Ports To prevent damage to the fiber optic cab...

Page 43: ...bles must be kept clean and dust free to maintain high signal accuracy and prevent damage to the connectors Attenuation loss of light is increased by contamination and should be below 0 35 dB Consider the following maintenance guidelines Transceivers are static sensitive To prevent ESD damage wear an ESD preventative wrist strap that is connected to the grounded chassis Do not remove and insert a ...

Page 44: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 34 Connecting the Switch to the Network Maintaining Transceivers and Optical Cables ...

Page 45: ...r supplies have a green stripe for port side intake airflow To avoid over heating the switch make sure that the fan modules are positioned in one of the following ways For port side exhaust airflow with burgundy coloring position the fan modules in a cold aisle For port side intake airflow with blue coloring position the ports in a cold aisle Before You Begin Before you can replace a fan module en...

Page 46: ...ing in the chassis is operating and has a lit Status STS LED see the following figure Figure 11 Installation Features on the Fan Module Colored stripe specifying the airflow direction burgundy for the port side intake airflow or blue for the port side exhaust airflow 4 Captive screw 1 Electrical connectors on the backside 5 Status STS LED 2 Handle 3 Cisco Nexus 93120TX NX OS Mode Switch Hardware I...

Page 47: ... its backside Also to protect the electrical connectors avoid letting them come in contact with anything other than the electrical connectors inside the chassis b Verify that you have the right fan module for the chassis The correct fan module has one of the following part numbers N9K C9300 FAN3 B port side exhaust airflow direction and a blue stripe N9K C9300 FAN3 port side intake airflow directi...

Page 48: ...ide the module out of the chassis and visually check the electrical connectors on the back side of the chassis for damage If damaged contact Cisco Technical Assistance for help If undamaged repeat the previous step to reinstall the module e Secure the fan module to the chassis by screwing in the captive screw to the chassis Tighten the screw to 5 to 7 in lb 0 56 to 0 79 N m Replacing a Power Suppl...

Page 49: ...upplies in the switch chassis you remove one power supply while the other one provides power to the switch and install the new power supply in the open slot If you need to replace the power supply in a chassis that has only one power supply install the new power supply in the open power supply slot and power it up before removing the older power supply Step 1 Holding the plug for the power cable p...

Page 50: ...t is powering the switch during this replacement process Be sure that the LEDs turn off on the power supply that you are removing Step 2 Remove the power cable from the power supply by doing the following If you need to remove an orange power cable connector from a 48 V DC power supply do the following 1 Push the orange plastic button on the top of the connector block inward toward the power suppl...

Page 51: ...wo power sources For n n power redundancy connect each of two power supplies to a different power source Depending on the outlet receptacle on your power distribution unit you might need the optional jumper cable to connect the switch to your outlet receptacle Note Step 6 Verify that the power supply is operational by verifying that the power supply LED is green For information on what the power s...

Page 52: ...er supply Step 5 Verify that the power supply LED turns on and becomes green Wiring a 48 V DC Electrical Connector Block You must connect the ground negative and positive DC power cables to a connector block in order to connect the power cables to a 48 V DC power supply The recommended wire gauge is 8 AWG The minimum wire gauge is 10 AWG Note Statement 342 Before Connecting to System Power Supply ...

Page 53: ... green ground wire into the aperture and then release the lever Step 6 Use a small screwdriver to depress the spring loaded wire retainer lever on the middle spring cage wire connector Insert your black DC negative wire into the aperture and then release the lever Step 7 Use a small screwdriver to depress the spring loaded wire retainer lever on the upper spring cage wire connector Insert your red...

Page 54: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 44 Replacing Modules Installing a DC Power Supply ...

Page 55: ...to 40 C Standard perforated cabinets Solid walled cabinets with a roof fan tray bottom to top cooling Standard open racks If you are selecting an enclosed cabinet we recommend one of the thermally validated types either standard perforated or solid walled with a fan tray Note We do not recommend that you use racks that have obstructions such as power strips because the obstructions could impair ac...

Page 56: ...stallation Requirements Specific to Standard Open Racks If you are mounting the chassis in an open rack no side panels or doors ensure that the rack meets the following requirements The minimum vertical rack space per chassis must be The distance between the chassis air vents and any walls should be 2 5 inches 6 4 cm Requirements Specific to Perforated Cabinets A perforated cabinet has perforation...

Page 57: ...nmental Specifications Specification Environment 32 to 104 F 0 to 40 C Ambient operating temperature Temperature 40 to 158 F 40 to 70 C Ambient nonoperating 5 to 95 Ambient noncondensing Relative humidity 0 to 13 123 feet 0 to 4 000 meters Operating Altitude Switch Dimensions Height Depth Width Switch Component 3 5 inches 8 9 cm 2 RU 22 5 inches 57 1 cm 17 5 inches 44 5 cm Cisco Nexus 93120TX chas...

Page 58: ...transceiver specifications and installation information see http www cisco com c en us support interfaces modules transceiver modules products installation guides list html Power Input Requirements The following table lists the typical amount of power consumed by the switch and it lists the maximum amount of power that you must provision from the power source as input to the power supply and switc...

Page 59: ...0 A 8 2 feet 2 5 m CAB IND 10A India 250 V 10 A 8 2 feet 2 5 m CAB 250V 10A IS Israel 250 VAC 10 A CEI 23 16 VII plug 8 2 feet 2 5 m CAB 9K10A IT Italy 125 VAC 13 A NEMA 5 15 plug 8 2 feet 2 5 m CAB 9K12A NA North America NEMA L6 20 C13 6 6 feet 2 0 m CAB AC L620 C13 North America 200 240V 6A 8 2 feet 2 5 m CAB N5K6A NA North America 250 V 10 A 8 2 feet 2 5 m CAB 250V 10A CN Peoples Republic of Ch...

Page 60: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 50 System Specifications Power Cord Specifications ...

Page 61: ...tify this module in the chassis Flashing blue BCN This module is not being identified Off The switch is operational Green STS The switch is booting up Flashing amber Temperature exceeds major alarm threshold Flashing red The switch is not receiving power Off Fans and power supply modules are operational Green ENV At least one fan or power supply module is not operating Amber Port is connected with...

Page 62: ...le as shown in the following table Table 4 Power Supply LED Descriptions Status LED LED Power supply is on and outputting power to the switch Off Green Power supply is connected to a power source but not outputting power to the switch power supply might not be installed in the chassis Off Flashing green Power supply is not receiving power Off Off Power supply warning possibly one of the following ...

Page 63: ...failure possibly one of the following conditions Over voltage Over current Over temperature Power supply fan failure Amber Flashing green Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 53 LEDs Power Supply LEDs ...

Page 64: ...Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 54 LEDs Power Supply LEDs ...

Page 65: ...ion ventilation and accessibility The following table lists the site planning tasks that we recommend that you complete before you install the switch Your completion of each task ensures a successful switch installation Table 5 Site Preparation Checklist Verification Time and Date Planning Activity Space evaluation Space and layout Floor covering Impact and vibration Lighting Physical access Maint...

Page 66: ...ircuits for power redundancy UPS for power failures Grounding proper wire gauge and lugs Circuit breaker size Grounding evaluation Data center ground Cable and interface equipment evaluation Cable type Connector type Cable distance limitations Interface equipment transceivers EMI evaluation Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 56 Site Preparation and Maintenance Record...

Page 67: ...son Contact phone Contact e mail Building site name Data center location Floor location Address line 1 Address line 2 City State Provence Contact person ZIP postal code Country Chassis and Module Information Use the following three worksheets to record information about the chassis and modules Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 57 Site Preparation and Maintenance Rec...

Page 68: ...st address Gateway router address DNS address Table 8 Module Information for the Cisco Nexus 93120TX Chassis Notes Module Serial Number Module Type Slot Uplink module Power supply 1 left Power supply 2 right Fan module 1 left Fan module 2 right Cisco Nexus 93120TX NX OS Mode Switch Hardware Installation Guide 58 Site Preparation and Maintenance Records Chassis and Module Information ...

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